1464661493824 has 21 divisors (see below), whose sum is σ = 2906456864367. Its totient is φ = 732325905984.

The previous prime is 1464661493797. The next prime is 1464661493831. The reversal of 1464661493824 is 4283941664641.

The square root of 1464661493824 is 1210232.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9606217 + ... + 9757495.

It is an arithmetic number, because the mean of its divisors is an integer number (138402707827).

Almost surely, 2^{1464661493824} is an apocalyptic number.

1464661493824 is the 1210232-nd square number.

It is an amenable number.

1464661493824 is a deficient number, since it is larger than the sum of its proper divisors (1441795370543).

1464661493824 is an frugal number, since it uses more digits than its factorization.

1464661493824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302570 (or 151281 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 58.

The spelling of 1464661493824 in words is "one trillion, four hundred sixty-four billion, six hundred sixty-one million, four hundred ninety-three thousand, eight hundred twenty-four".